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Jul
8
comment Condition number of matrix after partial orthogonalization
I chanced across this and would suggest you give a try at asking over at scicomp: scicomp.stackexchange.com ; techniques of this nature are very common in scientific computation. My intuition on the matter would say that you need to know far more about the matrix before being able to quantify a reduction in condition number (I suspect normality of the matrix would play an important role in the determination of a concrete condition number reduction)
Mar
24
awarded  Student
Mar
24
asked Jackson inequality for a nonpolynomial basis
Feb
17
awarded  Supporter
Mar
10
awarded  Teacher
Mar
9
answered Examples of inequality implied by equality.